#include <iostream>
using namespace std;

int main()
{
    int a = 100;
    auto num = 666;
    cout<<"num:"<<num<<endl;

    auto str = "hello world";
    cout<<"str:"<<str<<endl;
    /* 建议，少用，会增加同组开发人员的阅读难度 */
    auto *pNum = &a;
    cout<<"*pNum"<<*pNum<<endl;

    int array[]{11,22,34,555};
    
    
}